Home / 13,877.25-20,818.97-4,017.28

Finding the Fourth Proportional to 13,877.25, 20,818.97 and 4,017.28

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Solution

The fourth proportional to 13,877.25, 20,818.97 and 4,017.28 is: 6,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.25 : 20,818.97 = 4,017.28 : x
  2. Step 2: Convert to fraction form
    13,877.25/20,818.97 = 4,017.28/x
  3. Step 3: Cross multiply
    13,877.25x = 20,818.97 × 4,017.28
  4. Step 4: Simplify right side
    13,877.25x = 83,635,631.80
  5. Step 5: Solve for x
    x = 83,635,631.80/13,877.25
  6. Step 6: Final answer
    x = 6,026.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.